On various other threads I was asking about RF sources and frequencies. [That's something I had never looked into before, either lacking the facilities or because it was too inconvenient and I lacked the stamina.]
I got some good tips about where to find broadcast BBC and commercial radio stations and this seems to be the category that most sources come under. Others kinds of sources seen around here are (2) things to do with airports and nautical or marine safety transmissions, and a vague possibility that I recently might have picked (3) a ‘type of equipment’ in this case a possible ‘fish finder’ unit. That list might be comparatively empty compared to what someone would see in civilisation and who had more neighbouring human activity.
I could only find out any info about non-broadcast station source frequencies by good old googling and guesswork.
I wonder if we could put together a list based on all our stats and the holes / spikes therein? That would save a lot of time and wheel-reinvention for us all and others. What do you think?